Pedigree Studies (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What are pedigree studies used to trace?
What are pedigree studies used to trace?
Inheritance of traits through generations
In a pedigree chart, what shape represents males?
In a pedigree chart, what shape represents males?
Squares
In a pedigree chart, what shape represents females?
In a pedigree chart, what shape represents females?
Circles
What do fully red shaded shapes indicate in a pedigree chart?
What do fully red shaded shapes indicate in a pedigree chart?
Affected individuals
What do half-red circles represent in a pedigree chart?
What do half-red circles represent in a pedigree chart?
Carrier females
What do blue shapes indicate in a pedigree chart?
What do blue shapes indicate in a pedigree chart?
Unaffected (normal) individuals
In X-linked recessive disorders, which sex is more commonly affected?
In X-linked recessive disorders, which sex is more commonly affected?
Males
Can females be carriers of X-linked recessive disorders without being affected?
Can females be carriers of X-linked recessive disorders without being affected?
Yes
Do affected males pass X-linked recessive disorders to their sons?
Do affected males pass X-linked recessive disorders to their sons?
No
What happens to daughters of affected males in X-linked recessive disorders?
What happens to daughters of affected males in X-linked recessive disorders?
All become carriers
How is the gene passed in X-linked recessive inheritance?
How is the gene passed in X-linked recessive inheritance?
Through carrier females